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cond-mat.stat-mech2006★ 116 cited
Infinite-range Ising ferromagnet in a time-dependent transverse field: quench and ac dynamics near the quantum critical point
Arnab Das, K. Sengupta, Diptiman Sen +1
We study an infinite range ferromagnetic Ising model in the presence of a transverse magnetic field which exhibits a quantum paramagnetic-ferromagnetic phase transition at a critic…
cond-mat.stat-mech2001
Phase Diagram of a Two-Species Lattice Model with a Linear Instability
Sriram Ramaswamy, Mustansir Barma, Dibyendu Das +1
We review recent progress in understanding the full phase diagram of a one-dimensional, driven, two-species lattice model [Lahiri and Ramaswamy, PRL 79 (1997) 1150] in which the mo…